JP3341433B2 - Camera shoe adapter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera shoe adapter used for attaching an external microphone to a video camera, for example.

[0002]

2. Description of the Related Art For example, in photographing with a video camera, an external microphone may be used in place of the built-in microphone of the video camera body depending on the purpose, location, and the like. In such a case, a camera shoe adapter is fixed to the video camera body, and an external microphone is attached to the shoe to perform photographing.

FIGS. 14 and 15 show an example of this conventional camera shoe adapter. In FIG. 14, reference numeral 100 denotes a video camera main body, 101 denotes its lens unit, 102 denotes a viewfinder unit, and 103 denotes a built-in microphone. Also one
04 is an external microphone used as an option, and 105 is its code. Reference numeral 1 denotes a camera shoe adapter for attaching the external microphone 104 to the video camera body 100.

As shown in FIG. 15, the camera shoe adapter 1 comprises a base plate 2 and an L-shaped shoe arm 3 rotatably connected to the base plate 2. A through hole 4 is formed in the center portion of the base plate 2 along the longitudinal direction, and a screw shaft 5a of a screw member 5 is inserted from below into the through hole 4, and the screw shaft 5a is connected to a video camera. The camera shoe adapter 1 is attached to the video camera body 1 by tightening the screw member 5 while being screwed into a screw hole (not shown in the figure) at the bottom of the body 100.
00 is fixed.

[0005] In this camera shoe adapter 1, since the through hole 4 through which the screw shaft portion 5 a of the screw member 5 passes is formed as an elongated hole, the fixing position of the camera shoe adapter 1 with respect to the video camera main body 100 can be changed. It can be adjusted in the direction. A soft base sheet is attached to the upper surface of the base plate 2 to prevent the bottom of the video camera body 100 from being damaged.

On the other hand, the shoe arm 3 has a shoe 6 at the upper end of its vertical portion. The external microphone 104 is attached by inserting the insertion plate 106 of the external microphone 104 into the shoe 6 and tightening the screw member 107.

The base plate 2 and the shoe arm 3 are rotatably connected via a screw member 7, and the position of the shoe arm 3 with respect to the video camera body 100 (the arrangement of the external microphone 104) is adjusted according to the situation. Can be changed. That is, when the screw member 7 is loosened, the shoe arm 3 becomes rotatable with respect to the base plate 2, and conversely, the screw member 7
Is tightened, the shoe arm 3 is fixed to the base plate 2 so as not to rotate.
As shown in A and B, the shoe arm 3 can be set at an arbitrary position.

[0008]

By the way, the cord 105 of the external microphone 104 attached to the video camera body 100 by the camera shoe adapter 1 has a length of 30 to 30 so as to be compatible with various kinds of video cameras.
It is slightly longer at 40cm. For this reason, some video cameras (especially in a handy type video camera) have a considerable surplus of the code 105, and the surplus code is suspended because there is no means to stop it.

When the video camera is used, not only does the code hinder the shooting, but also sometimes the code is captured on the lens unit 101 of the video camera body 100, or the code moves and the video camera body 100 moves.
There was also a problem that the sound hitting the sound was recorded as noise. An object of the present invention is to solve such a problem.

[0010]

According to the present invention, there is provided a camera shoe adapter which is fixed to a camera body and to which an external microphone or the like is attached, comprising a holder for holding a cord of the external microphone or the like. Things.

[0011]

In the camera shoe adapter of the present invention configured as described above, by holding an extra cord with a holder, the cord does not disturb the photographing, and the cord is unexpectedly photographed. Does not hit the camera body and may cause noise.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.
The same reference numerals are given to the portions corresponding to the conventional example, and the description is omitted.

First, an embodiment shown in FIGS. 1 to 5 will be described. The camera shoe adapter 1 according to the present embodiment has an arm joint 9 between a base plate 2 fixed to a video camera body 100 and a shoe arm 3 to which an external microphone 104 is attached, that is, a front end of the base plate 2. An arm joint 9 is connected via a shaft screw member 10 so as to be rotatable in the horizontal direction, and the shoe arm 3 is connected to the arm joint 9 so as to be rotatable up and down around a shaft 11.

The shoe arm 3 has a holder belt 2 for binding and fixing the cord 105 of the external microphone 104.
5 are provided. The holder belt 25 will be described later in detail.

A screw member 12 is attached to the base end of the shoe arm 3. The screw shaft of the screw member 12 is set up with the shoe arm 3 standing upright with respect to the base plate 2 as shown in FIG. The shoe arm 3 is fixed in an upright state by screwing the portion 12a into the screw hole 13 of the arm joint 9 and tightening it.

With the shoe arm 3 raised and fixed vertically to the base plate 2 in this manner, the screw member 5
Is screwed into a screw hole (not shown) at the bottom of the video camera main body 100 to fix the camera shoe adapter 1 to the video camera main body 100. 6 is used by attaching an external microphone 104 thereto.

The camera shoe adapter 1 of the present embodiment
In the same manner as in the conventional camera shoe adapter described above, the through hole 4 through which the screw shaft 5a of the screw member 5 passes is provided.
Is formed in a long hole, so that the fixing position of the camera shoe adapter 1 with respect to the video camera body 100 can be adjusted in the front-rear direction.

The camera shoe adapter 1 of the present embodiment, which is fixed to the video camera body 100 and to which the external microphone 104 is attached, rotates the arm joint 9 with respect to the base plate 2 so that the video camera body 1
00, ie, the position of the external microphone 1
04 can be arbitrarily changed.

A pivot portion for changing the position of the shoe arm 3, that is, a connecting portion between the base plate 2 and the arm joint 9 is provided in a shaft hole 14 formed in the arm joint 9 as shown in FIG. The body 15 is fitted, the shaft screw member 10 is passed through the shaft cylinder body 15 through the washer 16, and the shaft screw member 10 is screwed into the screw hole 17 of the base plate 2.

At the rotational connection between the base plate 2 and the arm joint 9, there is provided a click stopper mechanism 18 for fixing and holding the arm joint 9, that is, the shoe arm 3 at a predetermined rotational position with respect to the base plate 2. Have been.

The click stopper mechanism 18 is configured as follows. First, on the arm joint 9 side,
A pair of concave holes 19 are formed on the surface in contact with the base plate 2 with the shaft hole 14 interposed therebetween, and a spring 20 and a stopper ball 21 are disposed so as to fit in the concave holes 19. On the other hand, correspondingly, the engaging recess 2 is provided on the base plate 2 side.
The stopper ball 21 is engaged with the engaging concave portion 22 by the elastic force of the spring 20 so that the arm joint 9 is attached to the base plate 2.
Are held in a fixed state.

In the present embodiment, four engaging recesses 22 at which the stopper balls 21 are elastically engaged are formed at intervals of 90 °. Stopper balls 21 are engaged with the two engagement recesses, whereby the shoe arm 3 is turned 90 ° to the left and right sides with respect to the front of the video camera body 100 as shown in FIG. It will be fixed at the moved position.

When the position of the shoe arm 3 is changed, the shoe arm 3 or the arm joint 9 is changed.
And the stopper ball 21 is forcibly disengaged from the engagement recess 22 by applying a strong force in a desired rotation direction while holding the arm joint 9 by 90 ° with respect to the base plate 2.
When rotated, the stopper ball 21 is again elastically engaged with the engaging concave portion 22 and fixed (click stop operation).

As described above, in the camera shoe adapter 1 of the present embodiment, the shoe arm 3 is click-fixed at the predetermined rotation position by the click stopper mechanism 18, so that the position of the shoe arm 3 with respect to the video camera body 100. The setting of (the arrangement of the external microphone 104) can be easily performed by one-touch operation without requiring a troublesome operation as in the related art, and can be securely fixed. Moreover, in this click stopper mechanism 18, since the place where the shoe arm 3 is fixed is determined, fine adjustment of the fixing position is not required.

Further, in the camera shoe adapter 1 of this embodiment, the shoe arm 3 can be folded down so as to overlap the base plate 2 as shown in FIG.
It is convenient for carrying around.

In this embodiment, the shoe arm 3
Is fixed at three places every 90 °,
By increasing the number of engaging recesses 22 of the base plate 2, the shoe arm 3 can be fixed at a smaller angle.

In the camera shoe adapter of this embodiment, the shoe arm 3 is fixed to the arm joint 9 by the screw member 12 in an upright state.
This portion may be provided with a click stopper mechanism.

FIGS. 6 and 7 show an example of a camera shoe adapter in which the direction of rotation of the shoe arm 3 with respect to the base plate 2 is vertical. That is, the camera shoe adapter 1 of the present embodiment has an arm joint 9 at the front end of the base plate 2.
Are connected rotatably in the vertical direction, and the shoe arm 3 is connected to the arm joint 9 so as to be rotatable in the same direction.

A click stopper mechanism 18 is provided at the pivotal connection between the base plate 2 and the arm joint 9 so that the arm joint 9 can be fixed at two horizontal positions by the click stopper mechanism 18. Has become. Reference numeral 23 denotes a stopper projection which the arm joint 9 hits at the two fixed positions on the left and right and supports it.

Further, the click stopper mechanism 18 is also provided at the pivotal connection between the arm joint 9 and the shoe arm 3.
The click stopper mechanism 18 moves the shoe arm 3 to the arm joint 9 by 90 degrees.
It is designed to be fixed at three places every °. Note that the click stopper mechanism 18 in this embodiment can employ the same configuration as the click stopper mechanism in the above-described embodiments of FIGS.

In the camera shoe adapter of the present embodiment configured as described above, as shown in FIG.
Has many patterns at the set positions, that is, the external microphone can be arranged at any position.

Next, the holder belt 25 provided on the shoe arm 3 will be described. This holder belt 25
Has a length that is wound around the shoe arm 3 for about one and a half turns,
The base end is fixed to the inner side surface of the shoe arm 3 by a fixing member 26. As a material of the holder belt 25, a durable cloth material is preferably used.

A pair of hook-and-loop fasteners (so-called magic tape) 27a and 27b are attached to a portion where the base end and the tip of the holder belt 25 overlap, and the holder belt 25 is fixed by the hook-and-loop fasteners 27a and 27b. The shoe arm 3 is fixedly wound around the shoe arm 3.

Then, as shown in FIG. 8, the cords 105 of the external microphones are bundled by the holder belt 25 and fixed by the hook-and-loop fasteners 27a and 27b in the assembled state, so that the cords 105 do not become suspended. Since it is securely fastened to the shoe arm 3, there is no hindrance to shooting.

As shown in FIG. 9, a battery box 10 attached to an external microphone is attached to the holder belt 25.
8 can also be fixed. That is, the battery box 108 has a built-in battery for supplying power to the external microphone, and has a hook portion 109 on the back side for hooking on the holder belt 25. Reference numeral 110 denotes a power on / off switch.

In the case of this battery box, the cord of the external microphone and the cord of the battery box are bundled together, fastened together by the holder belt 25, and then the hook 109 of the battery box 108 is hooked on the holder belt 25. Fix it. By fixing the battery box 108 to the holder belt 25 in this manner, the battery box 108 does not obstruct the photographing, and the switch 110 of the battery box 108 can be easily turned on / off and easily viewed. .

The holder belt 25 also has a function as a protection member for protecting the video camera body 100 from the shoe arm 3. That is, even if the camera shoe adapter 1 has a play and the shoe arm 3 hits the video camera body 100, the shoe arm 3
Does not directly hit the video camera main body 100 but hits via the holder belt 25, so that the video camera main body 100 is protected by the holder belt 25, and the video camera main body 100 is not damaged. .

FIG. 10 shows an example in which hooks are used as fastening means for the holder belt 25 in place of the surface fastener of the above embodiment. That is, in this embodiment, a concave hook member 28a is provided on the base end side of the holder belt 25, and a convex hook member 28b is provided on the distal end side of the holder belt 25. Side hook member 2
8a, the cord of the external microphone is fastened. As described above, the present embodiment in which the hook is used as the fastening means of the holder belt 25 has a feature that a more secure feeling of fixing can be obtained.

As shown in FIG. 11, by using a holder belt 25 having a longer length,
Thick cords can be united. Further, by using a holder belt 25 having a width smaller than that shown in the figure, the cords can be easily bound.

It is preferable that the position where the holder belt 25 is attached is set at a lower position (a position away from the shoe 6) than at an upper position (a position near the shoe 6) of the shoe arm 3. 12 shows the case where the holder belt 25 is provided on the upper part of the shoe arm 3 and FIG. 13 shows the case where the holder belt 25 is provided on the lower part of the shoe arm 3. B is a state in which the external microphone 104 is detached from the shoe 6 of the shoe arm 3.

As is clear from the comparison between these figures, when the external microphone 104 is removed from the shoe 6 with the cord 105 fastened to the holder belt 25, the holder belt 25
12 is short at the top (FIG. 12), there is no room for the cord 105, but when the holder belt 25 is at the bottom (FIG. 13), the cord 105 is long and has the room, that is, the degree of freedom of the external microphone 104 is large. . Therefore, the holder belt 2
This is advantageous when, for example, only the external microphone 104 is detached from the shoe arm 3 with the cord 105 fixed to 5, and it is desired to confirm the position of the switch of the external microphone.

Although the embodiments of the present invention have been described above, it is needless to say that the present invention is not limited to the configurations of these embodiments. Further, it goes without saying that the present invention is not limited to the case where an external microphone is attached to a video camera, but can be widely used for various other purposes.

[0043]

As is clear from the above description, the camera shoe adapter of the present invention is provided with a holder for holding a cord such as an external microphone, so that the surplus cord does not disturb the shooting, and the cord is not hindered. There is no danger of accidental reflections or noise caused by the cord hitting the camera body. Furthermore, since the cord is fastened by the holder, it can give a beautiful impression together with the appearance.

[Brief description of the drawings]

FIG. 1 is a perspective view of a camera shoe adapter according to an embodiment.

FIG. 2 is a plan view of the same.

FIG. 3 is a side view of the same.

FIG. 4 shows a state in which the shoe arm is folded.

FIG. 5 is an exploded perspective view of the main part (slick stopper mechanism).

FIG. 6 is a perspective view of another configuration example of the camera shoe adapter.

FIG. 7 is a front view of the same.

FIG. 8 is a perspective view of a holder belt portion.

FIG. 9 shows a state where the battery box is hooked on the holder belt.

FIG. 10 is an explanatory view of another example of the fastening means of the holder belt.

FIG. 11 is an explanatory view of another example of the holder belt.

FIG. 12 is an explanatory diagram of a mounting position of a holder belt.

FIG. 13 is an explanatory diagram of a mounting position of a holder belt.

FIG. 14 is an explanatory diagram of a conventional example.

FIG. 15 is an explanatory diagram of a conventional example.

[Description of Signs] 1 Camera shoe adapter 2 Base plate 3 Shoe arm 25 Holder belt 100 Video camera body 104 External microphone 105 Code 108 Battery box

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04N 5/225

Claims (3)

(57) [Claims] 1. A camera shoe adapter fixed to a camera body to which an external microphone or the like is attached, the camera shoe adapter including a holder for holding a cord of the external microphone or the like. 2. The camera shoe adapter according to claim 1, wherein a battery box for supplying power to the external microphone or the like can be hooked on the holder. 3. The camera shoe adapter according to claim 1, wherein the holder has a function of protecting the camera body when a part of the adapter hits the camera body.